bootleg/bootleg.love/core/screen.lua

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-- core/screen.lua :: Basic screen manager. Use CScreen as a backend, and works
-- as an abstraction layer around CScreen.
--[[
Copyright © 2019 Kazhnuz
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
]]
local ScreenManager = Object:extend()
local cwd = (...):gsub('%.screen$', '') .. "."
local CScreen = require(cwd .. "libs.cscreen")
-- INIT FUNCTIONS
-- Initialize and configure the screen manager
function ScreenManager:new(controller)
self.controller = controller
self.data = self.controller.options.data.video
self.width, self.height = love.graphics.getDimensions()
self:applySettings()
CScreen.init(self.width, self.height, true)
CScreen.setColor(0, 0, 0, 1)
love.graphics.setDefaultFilter( "nearest", "nearest", 1 )
self.timers = self.controller.modules.Timers(self)
self.transitionValue = 0
end
function ScreenManager:applySettings()
self.data = self.controller.options.data.video
local flags = {}
flags.vsync = self.data.vsync
flags.borderless = (self.data.border == false)
love.window.setMode(self.width * self.data.resolution, self.height * self.data.resolution, flags)
love.window.setFullscreen( self.data.fullscreen )
local width, height = love.window.getMode()
CScreen.update(width, height)
end
-- POINTER FUNCTIONS
-- Translate the pointer according to the screen coordinates
function ScreenManager:project(x, y)
return CScreen.project(x, y)
end
function ScreenManager:getMousePosition()
return CScreen.project(love.mouse.getX(), love.mouse.getY())
end
function ScreenManager:getScale()
return CScreen.getScale()
end
function ScreenManager:getScreenCoordinate(x, y)
return CScreen.getScreenCoordinate(x, y)
end
-- INFO FUNCTIONS
-- Get screen informations
function ScreenManager:getDimensions()
return self.width, self.height
end
-- SCISSOR FUNCTIONS
-- Simple scissor functions
function ScreenManager:setScissor(x, y, width, height)
local x, y = self:getScreenCoordinate(x, y)
love.graphics.setScissor(x, y, width*self.data.resolution, height*self.data.resolution)
end
function ScreenManager:resetScissor()
love.graphics.setScissor( )
end
-- UPDATE FUNCTIONS
-- Update the screen
function ScreenManager:update(dt)
self.timers:update(dt)
end
-- TRANSITION FUNCTIONS
-- Handle transitions
function ScreenManager:fadeIn(duration, easing)
local duration = duration or 1
local easing = easing or "inExpo"
self.timers:newTween(0, duration, {transitionValue = 1}, easing)
end
function ScreenManager:fadeOut(duration, easing)
local duration = duration or 1
local easing = easing or "outExpo"
self.timers:newTween(0, duration, {transitionValue = 0}, easing)
end
function ScreenManager:drawFade()
local w, h = self:getDimensions()
love.graphics.setColor(0, 0, 0, self.transitionValue)
love.graphics.rectangle("fill", 0, 0, w, h)
utils.graphics.resetColor()
end
-- DRAW FUNCTIONS
-- Apply draw functions to the scene
function ScreenManager:apply()
CScreen.apply()
end
function ScreenManager:cease()
CScreen.cease()
end
return ScreenManager